community/embree: fix for SSE2 ISA and against 64-bit intrinsics

1 files changed, 17 insertions, 0 deletions

diff --git a/community/embree/PKGBUILD b/community/embree/PKGBUILD
new file mode 100644
index 00000000..8d2043c8
--- /dev/null
+++ b/community/embree/PKGBUILD
@@ -0,0 +1,17 @@
+# avoid breakage in newer CPU ISAs, supporting SSE2 should be enough for
+# 32-bit platforms
+eval "$(
+  declare -f build | \
+    sed '
+      /cmake/s/-DEMBREE_MAX_ISA="AVX512SKX"/-DEMBREE_MAX_ISA="SSE2"/
+    '
+)"
+
+# some 32-bit fixes around intrinsics where applied to WIN32 only,
+# applying a counter-patch here
+source+=('embree-3.2.0-intrinsic.patch')
+sha256sums+=('7d5e44a034b02e14d7d37cd038d8c279d13d66b54a449c09e0687458f117723f')
+prepare() {
+  cd $pkgname-$pkgver
+  patch -Np1 -i "$srcdir/embree-3.2.0-intrinsic.patch"
+}